How do you measure the length of a curve? Student activity Play

How far away are the stars? Student activity Play

How to explain it? Animation Play

How to measure an angle? Animation Play

How to measure density Animation Play

How to measure flux density using a magnetometer Animation Play

How to measure gravitational acceleration? Whiteboard exercise Play

How to measure gravitational acceleration? Student activity Play

How to measure gravitational acceleration? Slideshow Play

How to measure the EMF of a battery Simulation Play

How to measure the EMF of a battery Student activity Play

How to measure the EMF of a battery Whiteboard exercise Play

How to measure the pH? Animation Play

How to measure the speed of light Student activity Play

How to measure the speed of light Whiteboard exercise Play

How to measure volume Animation Play

How to measure wavelength? Whiteboard exercise Play

How to measure wavelength? Student activity Play

Inscribed angle in a semicircle Student activity Play

Inscribed angle in a semicircle Whiteboard exercise Play

Intensity of a sound wave Simulation Play

Intensity of a sound wave Student activity Play

Making angles that are multiples of 45° Student activity Play

Making angles that are multiples of 60° Student activity Play

Measure of electromotive force Simulation Play